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$563+ Cheap flights from Heathrow (LHR) to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Knoxville McGhee Tyson are usually found in November or March, booked 80 days in advance, depart on a Friday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$855
(Netflights)

One-way from

$563
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$937
From London Heathrow to Knoxville McGhee Tyson
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One-way flight from London Heathrow to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 12% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Heathrow to Knoxville

Cheapest flights from Heathrow to Knoxville
Explore the most affordable flight options available from Heathrow to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:00 amLHR - TYS
2 stops37h 17mMultiple Airlines
Sun 9/147:15 pmTYS - LHR
2 stops16h 00mMultiple Airlines
Deal found 6/10$779
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:45 amLHR - TYS
2 stops17h 01mDelta
Fri 9/2610:05 amTYS - LHR
2 stops17h 45mDelta
Deal found 6/12$821
This Netflights deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:45 amLHR - TYS
1 stop14h 31mVirgin Atlantic
Wed 7/234:02 pmTYS - LHR
2 stops14h 23mVirgin Atlantic
Deal found 6/11$855
This British Airways deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/910:05 amLHR - TYS
1 stop12h 28mBritish Airways
Wed 7/2310:53 amTYS - LHR
1 stop14h 47mBritish Airways
Deal found 6/12$858
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:45 pmLHR - TYS
2 stops26h 32mAir France
Sun 10/266:10 pmTYS - LHR
2 stops36h 20mAir France
Deal found 6/10$952
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/58:20 amLHR - TYS
1 stop18h 26mFinnair
Sun 7/202:02 pmTYS - LHR
1 stop35h 23mFinnair
Deal found 6/11$1,046
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/119:30 amLHR - TYS
2 stops16h 27mUnited Airlines
Sat 7/191:56 pmTYS - LHR
2 stops14h 24mUnited Airlines
Deal found 6/10$1,071
This The Travel House deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:40 amLHR - TYS
2 stops20h 26mScandinavian Airlines
Thu 8/281:53 pmTYS - LHR
2 stops23h 37mScandinavian Airlines
Deal found 6/10$1,076
This Vliegwinkel deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:15 amLHR - TYS
1 stop11h 35mRoyal Air Maroc
Sun 8/38:22 pmTYS - LHR
1 stop30h 18mRoyal Air Maroc
Deal found 6/12$1,195
This flugladen.de deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/273:00 pmLHR - TYS
1 stop24h 28mIberia
Sun 8/36:27 pmTYS - LHR
1 stop32h 38mIberia
Deal found 6/12$1,215
This The Travel House deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:20 amLHR - TYS
1 stop14h 43mKLM
Mon 9/297:15 pmTYS - LHR
1 stop13h 15mKLM
Deal found 6/12$1,296
This business-class.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:30 amLHR - TYS
2 stops16h 26mLufthansa
Mon 9/297:26 pmTYS - LHR
2 stops14h 14mLufthansa
Deal found 6/11$1,783

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Knoxville that are best for you.

Fly from

Heathrow

Fly to

Knoxville

Route

Depart

Return

Price

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/9

11:45 am-9:16 pm

1 stop14h 31m

Knoxville McGhee Tyson

Wed 7/23

4:02 pm-11:25 am

2 stops14h 23m

$855

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/9

10:05 am-5:33 pm

1 stop12h 28m

Knoxville McGhee Tyson

Wed 7/23

10:53 am-6:40 am

1 stop14h 47m

$858

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Wed 7/9

6:30 am-7:01 pm

2 stops17h 31m

Knoxville McGhee Tyson

Wed 7/23

2:36 pm-9:15 am

2 stops13h 39m

$862

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Thu 7/24

7:05 am-11:50 am

2 stops33h 45m

Knoxville McGhee Tyson

Sat 8/2

6:00 am-9:30 am

1 stop22h 30m

$1,022

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sat 7/5

8:20 am-9:46 pm

1 stop18h 26m

Knoxville McGhee Tyson

Sun 7/20

2:02 pm-6:25 am

1 stop35h 23m

$1,046

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Fri 7/11

9:30 am-8:57 pm

2 stops16h 27m

Knoxville McGhee Tyson

Sat 7/19

1:56 pm-9:20 am

2 stops14h 24m

$1,071

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 8/18

6:40 am-10:06 pm

2 stops20h 26m

Knoxville McGhee Tyson

Thu 8/28

1:53 pm-6:30 pm

2 stops23h 37m

$1,076

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 7/27

9:15 am-3:50 pm

1 stop11h 35m

Knoxville McGhee Tyson

Sun 8/3

8:22 pm-7:40 am

1 stop30h 18m

$1,195

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Sun 7/27

3:00 pm-10:28 am

1 stop24h 28m

Knoxville McGhee Tyson

Sun 8/3

6:27 pm-8:05 am

1 stop32h 38m

$1,215

LondonKnoxville

LHR - TYS

LHRTYS

London Heathrow

Mon 9/8

9:20 am-7:03 pm

1 stop14h 43m

Knoxville McGhee Tyson

Mon 9/29

7:15 pm-1:30 pm

1 stop13h 15m

$1,296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
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Best time to book a flight from Heathrow to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Knoxville

How far ahead should I book a flight from London Heathrow Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Knoxville. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Knoxville, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $296). Flying from London Heathrow Airport to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from London Heathrow?

    For a flight from London Heathrow to Knoxville, you will be flying into McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 inbound flights from London Heathrow per day. 1 airline has flights to Knoxville McGhee Tyson from London Heathrow on a regular basis.

  • What are the cheapest airlines flying from London Heathrow Airport to Knoxville round-trip?

    Currently priced at $855, Virgin Atlantic will fly you from London Heathrow Airport to Knoxville and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $858 and $862, respectively. Virgin Atlantic is priced at 5% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Knoxville one-way?

    $971 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on WestJet and Air France, with prices starting from $1,245 and $2,175, respectively.

  • Can I find deals for flights from Heathrow to Knoxville that include hotel bookings?

    Yes. In addition to deals on Heathrow to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Knoxville.

  • Can I find deals for business class flights from Heathrow to Knoxville?

    Yes. Cheapflights offers flight deals from Heathrow to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Knoxville (average of $296). Flying from London Heathrow Airport to Knoxville in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Heathrow to Knoxville

Discover the top airline that operate flights from Heathrow to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$850Average$1,308FlexibilityNo cancel feeOn-time70%

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